ഒരു പരീക്ഷയിൽ, കൂടിയതും കുറഞ്ഞതുമായ സ്കോറുകൾ തമ്മിലുള്ള വ്യത്യാസം 55 ഉം കൂടിയ സ്കോർ കുറഞ്ഞ സ്കോറിന്റെ 9/4 മടങ്ങുമാണ്. കുറഞ്ഞ സ്കോർ കണ്ടെത്തുക.

This question was previously asked in
RRB ALP Fitter 23 Jan 2019 Official Paper (Shift 3)
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  1. 40  
  2. 36
  3. 44
  4. 48

Answer (Detailed Solution Below)

Option 3 : 44
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നൽകിയിരിക്കുന്നത്:

ഉയർന്ന സ്‌കോറും കുറഞ്ഞ സ്‌കോറും 55 കൊണ്ട് വ്യത്യാസപ്പെട്ടിരിക്കുന്നു.

ഉയർന്നത് താഴ്ന്നതിന്റെ 9/4 മടങ്ങ് ആയിരുന്നു

കണക്കുകൂട്ടൽ:

ഉയർന്ന സ്കോർ x ഉം കുറഞ്ഞ സ്കോർ y ഉം ആകട്ടെ

ചോദ്യം അനുസരിച്ച്

x – y = 55

⇒ x = 55 + y     ---- (1)

കൂടാതെ, x = (9/4)y

⇒ 4x = 9y

⇒ 4x – 9y = 0

സമവാക്യം (1) ലെ x ന്റെ മൂല്യം ഉപയോഗിക്കുമ്പോൾ, നമുക്ക് ലഭിക്കുന്നത് 

4(55 + y) – 9y = 0

⇒ 220 + 4y – 9y = 0

⇒ 5y = 220

⇒ y = 44
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